ELLSWORTH AIR FORCE BASE, S.D. -- Senior Airmen David Carter, 28th Maintenance Squadron aerospace ground equipment journeyman, strips the safety coating on a grounding cable, March 31. Airman Carter installed an adapter plug on the grounding cable, which is used in the B-1B Lancer to prevent static electricity discharges. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)